Home / 214,811.20-322,561.05-170,803.90

Finding the Fourth Proportional to 214,811.20, 322,561.05 and 170,803.90

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Solution

The fourth proportional to 214,811.20, 322,561.05 and 170,803.90 is: 256,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,811.20 : 322,561.05 = 170,803.90 : x
  2. Step 2: Convert to fraction form
    214,811.20/322,561.05 = 170,803.90/x
  3. Step 3: Cross multiply
    214,811.20x = 322,561.05 × 170,803.90
  4. Step 4: Simplify right side
    214,811.20x = 55,094,685,328.10
  5. Step 5: Solve for x
    x = 55,094,685,328.10/214,811.20
  6. Step 6: Final answer
    x = 256,479.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.